Document 2177341

Lahontan Regional Water Quality
Control Board
December 2007
I"'~::::::::::::::::::NO~R:T=H~BA:S:IN:::::::::::::::::=~
1. Conference on Riparian Habitat
Conservation and Flood Management
in California - Tobi Tyler.
Staff attended the Riparian Habitat Joint
in
Venture
(RHJV)
Conference
Sacramento in December 2007. The
conference provided a forum to present
and discuss research, planning, funding,
regulations, and obstacles associated
and
with
riparian
conservation
restoration, floodplain management and
flood protection.
The focus of this
Conference was the levee system in the
Sacramento/San Joaquin Valley. The
levee system has become a concern
among both flood managers, particularly
after hurricane Katrina, and resource
conservation advocates because of the
loss of healthy riparian ecosystems in
the Central Valley.
The conference
featured a plenary session with
speakers including: Mike Chrisman,
California Secretary for Resources; John
McMahon,
Brigadier
General,
Commander, ACOE; and Lester Snow,
Director, California Department of Water
Resources. The keynote speaker,
Donald Gray, University of Michigan
Engineering professor, spoke about his
research regarding the benefits and
liabilities of woody vegetation on levees,
and concluded that the benefits of
having woody vegetation on levees,
despite the increased management
required, usually outweigh the liabilities.
The concurrent sessions included
presentations on several restoration
efforts along the Sacramento and Bear
agricultl!Jral
and
Rivers,
private
rangeland restoration, 'flood control and
fisheries and aquatic wildlife, levee
maintenance
and
vegetation
management,
and
floodplains.
Particularly interesting research findings
were presented by M.L. Kavvas,
Department of Civil and Environmental
Engineering at U.C. Davis, who
compared the velocity distribution on
banks vegetated with sandbar willows
with bare soil banks. He showed that
willows retarded flow speed close to the
ground surface by forming an armor, but
did not slow down overall flows in the
channel because flows on the surface
increased. The reason for this is that as
discharge rates increased in the
channel, water velocities near the
bank/water interface decreased and
water surface velocities increased in
channels with vegetated banks, while
the opposite effects occurred on bare
soil banks (Le., velocities increased near
the bank/water interface and water
as
surface
velocities
decreased
discharge rates increased).
This is
important because it demonstrates that
vegetation along stream banks (habitat)
can decrease erosive forces (sheer
stress) along the stream channel.
Executive Officer's Report
October 16, 2007 - November 15, 2007
-2­
participated in the meeting.
The
purpose of the joint meeting was to
improve
the
coordination
and
communication between these two very
interrelated and often overlapping
programs
and
to
. increase
communication between USEPA staff
and Water Board staff. The previous
afternoon, staff participated in a field trip
to a housing development project, in Elk
Grove. Permitting the housing project
required coordination between the SW
and water quality certification programs
to draft a certification that included
conditions such as turbidity and
settleable matter receiving water limits,
wetland mitigation requirements, and
Another very important topic was climate
stormwater reqUirements. Among the
change. Jeff Price, one of the lead
several topics discussed at the meeting
authors of the Intergovernmental Panel
were: (1) the 401 certification issued for
on Climate Change Report and· co­
the housing project, (2) the internal draft
recipient of the 2007 Nobel Peace Prize,
NPDES Construction Storm Water
discussed his findings that indicate that
Permit that the Water Boards have
impacts to ecosystems,
including
provided comments on and that will
riparian areas in California, will increase
soon be out for public comment (see
and accelerate if or when the global
November 2007 EO Report - Alan
average temperature increases by more
Miller), (3) an update on USEPA's
than 2° C.
Others discussed the
.guidelines in response to the U.S.
hydrological forecast in terms of
Supreme Court's decision on Rapanos
significant reductions in annual snow
and
some
recent
jurisdictional
pack and increases in extreme runoff
determinations made by the U.S. Army
events that will exacerbate flooding and
Corps of Engineers (ACOE), and (4) the
decrease
groundwater
recharge.
Preliminary Draft Wetland and Riparian
Planning for these hydrological changes
Area Protection Policy, which was the
will be critical if California is to maintain
topic of a recent Water Board Public
or restore riparian biodiversity, waterway
Affairs announcement entitled New
channel stability, flood attenuation, water
California Water Board Report Focuses
quality enhancement, as well as protect
on the Condition of Regulated Wetlands.
property values.
Additionally, staff discussed ways to
improve USEPAIWater Board staff
2. Joint
Urban
Runoff
Task
communication and how to improve the
ForcelEPAl401 Program Meeting ­
success of compensatory mitigation.
A few of the key points taken from the
conference are the importance of (1)
maintaining or restoring floodplain
connectivity with the stream channel by
creating bypasses and setback levees to
improve
flood
management,
(2)
preserving or creating floodplains for
as
well
as
flood
ecosystems
management by providing a spatially­
and temporally-variable structure that
supports a diversity of species, and (3)
taking a multiple-objective approach to
floodplain management rather than the
historical, single-focus, approach to
control flooding by channelizing and
straightening.
Tobi Tyler
On
November
28,
2007,
staff
participated in a joint stormwater
(SW)/water quality certification program
meeting in Sacramento. Several staff
from the USEPA, Region IX San
Francisco, along with State Water Board
and Regional. Water Board Staff
1 "401 program" refers to the Federal Clean Water Act
Section 401 Water Quality Certification Program. Sate
Water Quality Certification is required prior to issuance of
any Federal Permit. Most certifications are for projects
that modify or otherwise cause potential impacts to
streams, lakes, wetlands and other waters of the U.S.
Certifications can be conditional and indicate to the
Federal Agency that the project will not violate any state
water quality objectives or prohibitions.
-3­
Executive Officer's Report
October 16, 2007 - November 15, 2007
3. Bridgeport Valley Grazing Waiver
Status, Mono County - Bruce Warden·
The Water Board approved Resolution
R6T-2007-0019 "Waiver of Waste
Discharge Requirements for Grazing
Operations in the East Walker River
Watershed (Bridgeport Valley and
Tributaries) of ~he lahontan Region" in
June 2007. Qualifying ranch operations
were required to submit grazing waiver
applications by December 15, 2007.
Water Board staff held a well attended
grazing waiver workshop on December
14, 2007, to assist ranchers in
complying
with
grazing
waiver
application requirements.
All of the
livestock operators in the Bridgeport
Valley and tributary drainages submitted
The
applications by the due date.
Bridgeport
Ranchers
Organization
(BRO), to which all applicants belong,
also submitted draft 2007 season
volunteer monitoring results for fecal
coliform concentrations at 12 sampling
stations.
Monitoring frequency was
every four weeks. Water Board staff will
discuss the monitoring results with the
ranchers at a future BRO meeting along
with changes to .the monitoring
frequency as requested by ranchers
when the waiver was adopted.
4. Tahoe Meadows Domestic
Contamination - Brian Grey
Well
As a result of a domestic well owner's
complaint, Water Board staff collected
groundwater samples from two domestic
wells
in
the
Tahoe
Meadows
neighborhood of South lake Tahoe in
August 2007. Most of the approximately
100 homes in the Tahoe Meadows are
served by private water wells. Water
Board staff sampled more wells in the
. Tahoe Meadows area over the labor
Day weekend. The analytical results of
the sampling events indicated that seven
domestic wells in the northeastern
portion of the Tahoe Meadows· area
contained tetrachloroethene (PCE) at
levels unsafe for domestic use. PCE is a
common dry cleaning solvent and is also
used as a degreaser. MTBE was also
detected during the August sampling
event, and the concentrations of MTBE
were above the Primary Maximum
Contaminant level (MCl) in one well.
MTBE was not reported above primary
or secondary MCls during the
subsequent labor Day sampling event.
Following the labor Day domestic well
sampling, Water Board staff conducted
additional sampling of wells located
down-gradient of suspected source
areas .reviewed files from other
groundwater contaminatiop cases, and
identified properties that previously used
or stored PCE.
Results of the
groundwater sampling and records
review indicated that the MTBE may be
associated with a small localized
release.
PCE detections in Tahoe Meadows
wells are most likely related to a release
or releases of PCE that occurred years
ago upgradient of the Tahoe Meadows
community. .
The basis for this
conclusion includes: (1) the distribution
of PCE is not localized; (2) PCE was
detected upgradient of Tahoe Meadows
(around the Highway 50 corridor) in
1985 and subsequently; and, (3) a
records review found that a dry cleaner
operated in the former' Crescent V
Shopping Center (now known as the
Village Center), directly up-gradient from
the
highest
PCE
concentrations
. detected along Highway 50. I recently
issued orders, pursuant to Water Code
section 13267, to the former dry
cleaners and property owners of the
Crescent V Shopping Center requesting
information related to PCE use, storage,
and disposal. Additional investigation
likely will be needed to confirm the
source of the PCE contamination.
Executive Officer's Report
October 16, 2007 - November 15, 2007
-4­
antidegradation). The TALU framework
refines aquatic life uses by establishing
"tiers" that are accompanied by specific
numeric criteria. Once the tiers are
established, the Water Boards may
designate segments of a river or stream
into one of the tiers and expect the
applicable criteria to be met. These tiers
and accompanying "biocriteria" may be
used to protect high quality waters from
incremental degradation, to establish
realistic expectations for maintenance of
aquatic life in already degraded areas
(such as streams through urbanized or
otherwise impacted areas), and/or to
5. Tiered Aquatic Life Uses Workshop ­
establish restoration expectations for
impaired water bodies.
Thomas Suk
Water Board staff conducted additional
sampling of select domestic wells in
December
to
evaluate
seasonal
in
contaminant
variations
concentrations. Staff plans to sample
select domestic wells again in spring
before the majority of'property owners
Municipal
return to their properties.
water supply provided by the South
Tahoe Public Utility District is available
to property owners within the Tahoe
Meadows, and to date, one affected
property owner has hooked up to the
municipal water supply.
A workshop titled "Tiered Aquatic Life
Use (TALU) Development in Southern
California" was held on November 27,
2007 at the office of the Southern
California Coastal Water' Research
Project (SCCWRP) in Costa Mesa, and
was sponsored by the Los Angeles
Water Board. Representatives from
governmental agencies as well as non­
governmental organizations attended
the workshop. Attendees included
representatives from the USEPA Office
of Water (Washington, D.C.), USEPA
Region IX (San Francisco), State and
Regional Water Boards, and various
local
governments,
permitted
dischargers,
and
environmental
organizations.
The goals of the workshop were to
inform and educate interested parties
about TALUs and to identify hurdles to
developing and implementing TALUs in
southern California. As described by
staff at the Lahontan Water Board's
June meeting in Bishop, TALU is a
framework promoted by the USEPA for
better defining aquatic life beneficial
uses (Le., COLD and WARM) and to
assist the Water Boards in interpreting
narrative objectives for the protection of
aquatic life (Le., COLD, WARM,
After several background presentations
on TALU and the status of an effort to
develop TALUs for southern California,
attendees worked in "break-out groups"
to discuss various issues and challenges
related to TALU development in
California. Results from this workshop
will· be summarized in a report that will
be released sometime in 2008.
6. Lane Trust Property, Placer County ­
Lisa Dembach
In October, I issued a Cleanup and
Abatement Order to the owner of the
Lane Trust Property in Kings Beach, for
the . illegal discharge of chlorinated
hydrocarbon products to ground water.
A laundry business formerly operated on
the parcel, located at 8731 North Lake
Boulevard,
until
the
mid-1970.
Chlorinated hydrocarbon concentrations,
primarily as tetrachloroethene or PCE,
adversely affect the drinking water
aquifer and threatens Lake Tahoe. The
order requires the owner to take cleanup
actions for remediating contamination in
soil and groundwater, implementing an
indoor air quality survey, and submitting
remediation status reports.
Executive Officer's Report
October 16, 2007 - November 15, 2007
Following submittal and Board staff's
acceptance of a workplan, the Lane
Trust implemented the indoor air survey
for the on-site building in mid-December.
A technical report containing the results
of the indoor air survey is due to the
Water Board February 1, 2008~ Access
to buildings on adjacent properties was
not granted for conducting indoor air
survey at those locations.
The order also requires the owner to
implement remediation at the site by
February 10, 2008. Remediation has
been proposed in the form of air sparge
and soil vapor extraction to reduce
hydrocarbon concentrations in the
subsurface and eliminate the potential
threat to public health from vapor
migration. Technical reports describing
and
its
remediation
activities
effectiveness are required quarterly.
The Water Board will be kept informed
as this cleanup progresses.
7. Lake Tahoe TMDL Program Update ­
. Robert Larsen
As reported at the October 2007 Board
Meeting, the Lake Tahoe TMDL Team
has completed the analysis of pollutant
load sources and has been working to
refine our understanding of pollutant
reduction opportunities.
During the months of October and
November, the team refined pollutant
reduction estimates and developed a
series of illustrative implementation
scenarios reflecting different methods to
achieve clarity improvement.
These
scenarios were presented to agency
stakeholders and the Pathway Forum for
comment and discussion. The TMDL
Team
also
shared
some
recommendations to clarify where the
largest load reduction opportunities lie.
Based on current information, load
reductions from stream channel erosion
-5­
and forest upland sources are relatively
small when compared to potential
reductions from atmospheric and urban
upland sources. Current efforts and
programs to restore stream channels
and treat forest runoff appear cost
effective and remain a critical part of all
identified implementation scenarios;
however, additional measures do not
appear to be cost effective to achieve
. clarity goals. These recommendations
. were generally welcomed and accepted
by stakeholders and the Pathway
Forum.
When compared to the stream channel
erosion and atmospheric sources, the
TMDL Team has identified more
significant reduction opportunities from
advanced treatments to reduce fugitive
dust and remove fine particles from
urban runoff.
Consequently, these
sources have been the subject of much
discussion .at the stakeholder and
Pathway Forum meetings. It is clear
that technological innovation will be
necessary to achieve necessary fine
sediment reductions from these sources.
The question that remains is when to
initiate such innovation and how to
secure funding for innovation. .Current
analysis
suggests
implementation
measures to halt clarity decline and
begin restoration will cost approximately
$2 billion over the next twenty years.
The implementation scenarios and
associated
stakeholder
feedback
provide the foundatio'n for the Lake
Tahoe TMDL implementation plan and
load allocation approach. An additional
meeting with the Pathway Forum and a
workshop for local jurisdictions, funding
agencies,
and
state
highway
departments, both scheduled for the
month of December, will provide
additional context and direction for the
TMDL Team as they begin to draft the
TMDL document. In the coming months,
the team will begin drafting the TMDL
Executive Officer's Report
October 16, 2007 - November 15, 2007
document and working with local
jurisdictions, funding agencies, and state
to
develop
highway departments
As
appropriate load allocations.
previously requested the Water Board, a
workshop on allocations will be
scheduled for the March 2008 Board
meeting.
8. Peer Review and Stakeholder Input
on the Truckee River Watershed Total
Maximum Daily for Sediment - Bud
Amorfini and Anne Holden
Scientific peer review has been
completed for the draft Truckee River
Watershed TMDL for Sediment. The
State Water Board selected two
scientific peer reviewers who had
combined expertise in hydraulics,
sediment transport, aquatic ecosystems
and restoration.
The reviewers supported Water Board
staff's conclusions on impairment due to
excessive sediment in the river, and the
selection of a numeric target for in­
stream suspended sediment to. protect
aquatic life beneficial uses. One of the
reviewers suggested technical revisions
to the sediment source analysis, and
editorial changes to the implementation
plan. In general, the peer reviewers
found that the data and analysis in the
TMDL staff report are appropriate and
defensible, and the report supports its
and
scientific
conclusions
recommendations.
Water Board staff also conducted a
stakeholder meeting on December 12,
2007 in Truckee. With assistance from
Truckee River Watershed Council,
interested stakeholders were invited to
review the draft TMDL and provide input
to
help
refine
the
document.
Approximately 20 stakeholders attended
the meeting and discussed several
issues:.
included addressing dam
operations relative to sediment loading,
-6­
refining the discussion of vegetative
cover effects on loading estimates,
tracking implementation and monitoring
activities, and developing projeCt lists for
future grant funding opportunities.
Stakeholders were appreciative of the
opportunity to provide input and the
efforts of staff to answer questions
regarding the document.
Water Board staff are revising the draft
TMDL report in response to the peer
review and stakeholder comments, and
plan to circulate· it for public review in .
February 2008. The TMDL is scheduled
for Board consideration in May 2008.
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Executive Officer's Report
October 16, 2007 - November 15, 2007
I.. . .
S_O_U_TH
......
B_A_S_IN
9. Grass Valley and Slide Fire Debris
Removal- Doug Feay
Lahontan Water Board staff participated in
the Debris Removal Multi Agency
Coordination (MAC) team with San
Bernardino
County
Solid
Waste
San
Management
Division.
The
Bernardino
County
Solid
Waste
Management Division has taken on the
. task of removing all the fire debris
(including the foundation) from residential
lots for both the Grass Valley and Slide
Fires.. These fires occurred during
October 2007 in the San Bernardino
. mountain communities of Arrowhead,
Green Valley Lake, and Arrowbear. The
Grass Valley fire destroyed 178 structures
while the Slide fire destroyed 272
structures. The County has completed
removal of household hazardous waste
and is currently removing asbestos debris
from both fire areas.
San Bernardino County has contracted
with a private firm to develop and
implement an erosion control plan for the
fire debris removal areas for both fires.
Water Board staff provided comments to
the County while the erosion control plan
was being written. Erosion control
measures will be implemented before
debris removal takes place.
The United States Geological Survey
(USGS) released the report "Preliminary
Analytical Results for Ash and Burneq
Soils from the October 2007 Southern
California Wildfires" that contained the
results of limited sampling of ash in the
burn area. The goal of the report was to
identify characteristics of the ash and soils
that may be of concern for potential
adverse affects on water quality, human
health, and the environment. Of the 28
samples collected, two samples displayed
hazardous characteristics because of high
I
pH. San Bernardino County Fire
Department Hazardous Materials Division
will be conducting follow-up sampling to
further characterize the debris sites both
before and after debris removal and will
be
implementing
erosion
control
measures to protect the environment
during cleanup.
10. Molycorp's Supplemental Environmental
Projects - Christy Hunter
The June 2004 Consent Judgment
between Molycorp and the State of
California
required
Molycorp
(now
Chevron Mining Inc.) to fund $1,000,000
in Supplemental Environment Projects
(SEPs). The Water Board approved
funding for six SEPs in February 2005.
The final cooperative agreements for all
six SEPs have been signed by their
respective project managers and the
Water Board Executive Officer. The
project proponents and projects are: 1)
California
State
University,
San
Bernardino/Hydrogeologic study of the
Mountain
Pass
area,
2)
ENSR/Groundwater Flow Model for the
Ivanpah Valley Groundwater basin, 3)
San Bernardino County/litter abatement
and illegal dumping eradication, 4) U.S.
Geological
Survey/Chromium/Nitrate
occurrence in the unsaturated zone and
. water table - EI Mirage area, 5) U.S.
Geological Survey - Defining Arsenic
distribution in groundwater, Antelope
Valley, and 6) U.S. Bureau of Land
Management - Horse Thief Springs
Riparian Restoration and Public Safety
Protection.
San Bernardino State University"'
Hydrogeologic study of the Mountain Pass
area
On December 4, 2007 Dr. Erik Melchiorre,
lead investigator, provided a preliminary
presentation to Water Board staff. This
Executive Officer's Report
October 16,2007- November 15,2007
study involves the detailed geologic
mapping and geochemical sampling and
analysis of fault mineralizati.on of the
major fault systems at the Mountain Pass
Mine. These faults cut the rare earth ore
body and mine site that is currently
operated by Chevron Mining Inc. (formerly
Molycorp
Inc.).
Preliminary results
indicate that these fault systems have
acted as the major conduits for fluid flow
and that post fault mineralization may
have been imprinted with the local pre­
mining· groundwater chemistry. Mapping
of this area also identifies 'upper' and
'lower' fault mineralization profiles that
may indicate old
or pre-modern
groundwater tables. This work could lead
to a better understanding of how the
area's groundwater geochemistry evolved
as well as provide hints of .current
groundwater flow. The final report is
expected to be complete by September 1,
2008.
USGS - Chromium/nitrate occurrence, EI
Mirage area
John Izbicki, lead investigator, presented
preliminary results of this· study to Water
Board staff on November 8, 2007. In this
study, the USGS is attempting to
determine if high levels of hexavalent
chromium in the groundwater near the EI
Mirage area are derived from: 1) leaching
from naturally occurring chromium in the
vadose zone by infiltrating washwater or
irrigation water from surface dairy or
2)
from
agriculture
operations;
contaminated groundwater coming from·
offsite sources. At present drainage from
the vadose zone does not appear to be
delivering high-chromium laden water to
the
water
table.
High-chromium
concentrations are associated with high­
salinity water present in the vadose zone.
Although data analyses results are not
complete, preliminary results suggest that
high levels of chromium are not present in
the vadose zone at this site and that the
source of the hexavalent chromium in the
groundwater is anthropogenic. The final
-8­
report is expected to be completed by
September 30,2008.
USGS - Arsenic distribution - Antelope
Valley
The USGS has completed three of the
four tasks proposed in this project. This
study is attempting to identify specific
aquifer
zones
of
high
arsenic
concentrations in the Lancaster area.
Combined with well flow data and water
quality analyses, zones of naturally
occurring, arsenic-laden groundwater
have been identified in three wells for this
study. These data have been incorporated
an
existing
three-dimensional
into
geologic model of the Antelope Valley.
Sources of much of this high-arsenic
groundwater are the aquifer or clay layers
beneath an extensive, thick lucustrine clay
layer. One capability of this updated
geologic model is the ability to estimate
the areal distribution and thickness of this
lucustrine clay. In addition this data will be
used to develop an integrated wellbore
model that simulates flow and transport in
a water supply well and aquifer system,
This model will be used to predict the
effectiveness of sealing off of well casing
perforations that were performed for the
purpose
of
reducing
arsenic
concentrations in produced drinking
water. The final report is expected to be
completed by January 5, 2008.
To date, $534,230.95 has been paid or is
in the process of being disbursed from
this SEP fund.
11. Results of December 2007 Residential
Well Sampling in Barstow - Joe
Koutsky
The City of Barstow completed its 4th
Quarter 2007 private domestic well
sampling of residences in the Barstow
Soapmine Road neighborhood, located
north of the Mojave River and east of
Interstate 15 within the city limits of
Barstow. The City sampled forty private
drinking water wells, between December
Executive Officer's Report
October 16, 2007 - November 15, 2007
3, and December 4, 2007, as required by
Cleanup and Abatement Order No. R6V­
2007-0017 (CAO).
The CAO requires the City of Barstow to
provide uninterrupted replacement water
to residences in the Soapmine Road area
where groundwater concentrations of
nitrate (as N) are equal to, or higher than,
5 milligrams per liter (mg/L). The City
provided bottled water to 23 of 40
residences since May 26,2007.
-9­
Lancaster Water Reclamation Plant,
. Los Angeles County - Curt Shifrer
The status of items required by Waste
.Discharge Requirements and the 2007
Cease and Desist Order issued to District
No. 14 is included in a table at the end of
this report.
The results of the 4th Quarter 2007
domestic well sampling event show that
nitrate (as N) concentrations range from
0.54 mg/L to 21 mg/L and that 19 wells
exhibited nitrate (as N) concentrations
exceeding 5 mg/L. While there were no
new wells that exceeded the 5 mg/L
nitrate (as N) concentration, the City will
continue to supply bottled water to the 23
residences whose wells were identified
earlier in the year. The City is continuing
to develop a plan to further delineate the
extent of the groundwater plume.
12. County Sanitation District No. 20 of
Los Angeles County (District No. 20),
Palmdale Water Reclamation Plant ­
Mike Coony
As required under the waste discharge
requirements, the District submitted the
2008 Crop Plan for the Effluent
Management Site and the work plan for
the
storage
reservoir
groundwater
monitoring. The District submitted both
reports by the required due date. Staff is
reviewing both reports.
A compliance summary table for the
Clean Up and Abatement Order, and
Cease and Desist Order, is included at
the end of this report. The compliance
status table has been revised to reflect
the amended Cease and Desist Order
adopted on November 29, 2007.
13. County Sanitation District No. 14 of
Los Angeles County (District No. 14),
Lancaster Water Reclamation Plant
Page 1 of3
Updated through December 15, 2007
SCHEDULE OF TASKS
Lancaster Water Reclamation Plant (LWRP)
County Sanitation District No. 14 of Los Angeles County (District>
PERFORMANCE TASK
I
STATUS
DUE DATE
Required by: Waste Discharge Requirements
Board Order R6V 2002-053
Board Order R6V 2002-053A1
Chlorine Toxicity
II.B.1.a. - Submit a plan to achieve compliance with free
residual and chlorine effluent limits
II.B.1.b. - Begin implementation of the plan
II.B.1.c. - Achieve full compliance
Ammonia Toxicity
II.B.2 a. ­ Achieve interim ammonia effluent limits
II.B.2.b - Achieve final ammonia limits
Abandoned Wells (Treatment Plant Site)
II.B.3. - Submit work plan to identify and destroy abandoned
wells.
Nuisance Condition
II.B.4. - Complete project to eliminate nuisance condition
created by effluent induced overflow from Piute Ponds to
Rosamond Dry Lake
May 1, 2003
Submitted
December 1, 2003
August 25, 2005
Submitted
Met
Met
August 25, 2005
When ssa goes into
effectJanuary 1, 2003
Submitted
August 25, 2005
Extended to November
1,2010 according to
CDa
Groundwater Monitoring (Treatment Plant Site)
II.B.5.a. - Submit workplan to install additional monitoring wells August 1, 2003
and piezometers
August 1,2004
II.B.5.b - Complete installation of wells, collect initial samples
and submit draft report
II.B.5.c - Submit final report that establishes if, and to what
January 31,2005
extent, percolation from unlined ponds affects groundwater and
propose appropriate remediation measures
Submitted
Submitted Phase I
Phase I final report
submitted
Annual Compliance Reports
II.E.3. -'Submit annual self monitoring report compliance and
monitoring summary, including actions taken or planned to
bring discharger into compliance
April 1st of each year Submitted
Required by: Waste Discharge Requirements
Board Order R6V 2002-053A3
Engineering Reports (Tertiary Treatment Plants)
II.B.1. - Acceptance of engineering report for 18-mgd tertiary
treatment plant by Executive Officer.
II.B.2. - Acceptance of engineering report for MBR tertiary
treatmer.lt plant with UV disinfection by Executive Officer.
Farm Management Plan (Agricultural Site)
II.C.1. - Submit farm management plant for Fields 7 & 8, and
11 - 20
Before discharging
from plant
Before discharging
from UV system
Submit report nine
months before
irrigation in fields
Updated through December 15, 2007
Lancaster Water Reclamation Plant
Page 2 of 3
PERFORMANCE TASK
Vadose Zone Monitoring (Agricultural Site)
II.D.1 ..... Submit vadose zone monitoring plan (if an alternate
plan is proposed) for Fields 1 - 6, 9 & 10
II.D.1. - Implement vadose zone monitoring plan for Fields 1 ­
6,9& 10
Groundwater Monitoring (Agricultural Site)
1I.E.1. ­ Complete groundwater sampling for data needed to
calculate existing water quality for Fields 1 through 8
11.E.1. - Submit results of calculations for determining existing
water quality for Fields 1 through 8
11.E.2.a. - Submit workplan for installing additional monitoring
wells for Fields 9 through 12
11.E.2.a. - Complete installation of additional monitoring wells for
Fields 9 through 12
II.E.2.b. - Complete groundwater sampling for data needed to
calculate existing water quality for Fields 9 through 12
STATUS
DUE DATE
June 14,2007
Met
March 14, 2008
June 30, 2007
Met
October 30, 2007
Met
April 20, 2007
Met
June 15, 2007
Met
September 30, 2007
Met
11.E.2.b. - Submit results of calculations for determining existing January 30, 2008
water quality for Fields 9 through 12
11.E.3.a. - Submit workplan for installing additional monitoring
Submit report one
year before irrigation
wells for Fields 13 through 20
in fields
11.E.3.b. - Submit results of calculations for determining existing Complete before
irriQation in fields
water quality for Fields 13 through 20
Abandoned Wells (Agricultural Site)
II.F. - Submit report demonstrating that destruction of
Submit report three
abandoned wells have been completed for Fields 13 - 20
months before
irrigation in fields
Run On and Run Off Controls (Agricultural Site)
II.G.1. - Submit report demonstrating that run on and/or run off Submit report one
month before
controls have been implemented for Fields 1 - 6
irrigation in fields
II.G.1. - Submit report demonstrating that run on and/or run off Submit report one
controls have been implemented for Fields 7 - 20
month before
irrigation in fields
ReqUired by: Waste Discharge Requirements
Board Order R6V 2006·0051
II.A. - Submit workplan for installing additional monitoring wells April 9, 2007
for the proposed storage reservoirs
11.8.1 - Submit the final design for the proposed storage
Before constructing
reservoirs
the reservoirs
II.B.2 - Submit a construction QAlQC program for the proposed Before constructing
storage reservoirs
the reservoirs
II.B.3 - Submit certification that proposed reservoirs were
Before use of the
constructed as proposed
reservoirs
Met
Met
Submitted 16 days late
Submitted
Submitted
Updated through December 15, 2007
Lancaster Water Reclamation Plant
Page 3 of 3
PERFORMANCE TASK
I
DUE DATE
STATUS
Required by: Cease and Desist Orders
Board Order R6V-2004-0038
Board Order R6V-2004-0038A1
Between December
1, 2004 and March
31,2005
Between Apr 1 and
Oct 31 of each year
Less than 24 MG
diverted
Between Nov 29,
II.B. - Divert the effluent volume (calculated as specified in
CDO) that would otherwise be discharged to Piute Ponds and 2007 and March 31,
dispose of this volume at an alternative legal point of disposal. 2008
Calculated volume equals 137 MG minus an adjustment if there
is above-average rainfall.
Expected to meet
II.B. - Divert the effluent volume (calculated as specified in
Between Nov 1 and
CDO) that would otherwise be discharged to Piute Ponds and March 31 of each
dispose of this volume at an alternative legal point of disposal. subsequent year
Calculated volume equals 156 MG minus an adjustment if there
is above-average rainfall.
Expected to meet
III. - Eliminate the effluent-induced overflows from Piute Ponds November 1, 2010
to Rosamond Dry Lake
Expected to meet
V. ­ Submit quarterly status reports until final compliance
achieved
Ongoing
LA. - Divert 24 MG of effluent and discharge to an alternative
legal disposal point (e.g., Apollo Park) other than Piute Ponds
II.A. - Divert 192 I\t1G of effluent that would otherwise be
discharged to Piute Ponds and dispose of this volume at an
alternative legal point of disposal.
Feb 1, May 1, Aug 1,
and Nov 1 of each
year
Expected to meet
Updated through January 15, 2008
Palmdale Water Reclamation Plant
Page 1 of6
SCHEDULE OF TASKS
PALMDALE WATER RECLAMATION PLANT (PWRP)
COUNTY SANITATION DISTRICT NO. 20 OF LOS ANGELES COUNTY (DISTRICT)
PERFORMANCE TASK
Required by Cease and Desist Order R6V-2004-039
II. Interim Corrective Measures - Limit Excess Nitrogen at
the Effluent Manaaement· Site:
» In 2007
» In 2008
» In 2009
» In 2010
III. Achieve final compliance by June 18, 2010
» Irrigate crops at the Effluent Management Site during the
2010 summer season that do not exceed the water or
agronomic rates; and
» completing storage impoundments, force man, and pump
station facilities
v.
DUE DATE
Feb
Feb
Feb
Feb
1,
1,
1,
1,
STATUS
2008
2009
2010
2011
Submit quarterly status report
» Reports must include analvsis towards completina facilities
» Report must include an Excess Nitroaen statement for 2009
» Report must include an Excess Nitrogen statement for 2010
» Report must include an Excess Nitrogen statement for 2011
Feb 1,2008
May 1, 2008
Aua 1,2008
Nov 1, 2008
Feb 1, 2009
May 1, 2009
Aug 1,2009
Nov 1, 2009
Feb 1, 2010
May 1, 2010
Aug 1,2010
Nov 1, 2010
Feb 1,2011
Required by Cleanup and Abatement Order R6V 2003-056
Plume Delineation
1.1.1 - Submit a plan to delineate the nitrate plume to background
levels
1.1.2 - Complete plume delineation
Feb 16,2004
Submitted
Aug 15,2004
Not Completed ­
proaress
Sept 15,2004
Submitted
Sept30,2005
Not met
Sept 15, 2004
Submitted
Sept 15,2005
Not met ­
In
Plume Containment
1.2.2 - Submit a final plan (including extraction well locations and
pumpina rates) and time schedule for contain ina the plume
1.2.3 - Achieve plume containment
Plume Remediation
1.3.1 - Submit a plan describing the proposed plume remediation
describing how ground water will be restored to background or
propose alternative cleanup levels pursuant to SWRCB Resolution
92-49
1.3.2 - Implement the proposed plan for ground water extraction
and agricultural irriaation <or an eauallv acceptable alternative)
Abatement
In progress
Updated through January 15, 2008
Palmdale Water Reclamation Plant
Page 3 of6
DUE DATE
PERFORMANCE TASK
Required by Board Order 6-00-57-A04 (Storage Reservoirs)
Provision 11.A.1. ­ Submit work plan for groundwater monitoring
system
Provision 1I.A.2. ­ Submit site hydrogeologic investigation report
and work plan for groundwater compliance monitoring well
installation
Nov 30,2007
STATUS
Submitted
Dec 31,2008
Required by: Monitoring and Reporting Program 00-57-A01, -A02, -A03, -A04
A01/11.A.1 & A02/2 ­ Submit a SamplinQ and Analysis Plan
11.A.3. ­ Submit a Wind Speed MonitorinQ Plan
LEA. - Report Completion of Removing Old Vadose Zone
Monitoring System
I.G.1. - Submit an Annual Cropping Plan
March 31 , 2004
June 1, 2004
March 31 , 2004
Jan 1,2006
Submitted
Submitted
Submitted
Submitted
15, 2005
15, 2006
15, 2007
15,2008
15, 2009
15, 2010
. Submitted
Submitted
Submitted
Jan 15,2005
Apr 15,2005
July 15, 2005
Oct 15, 2005
Feb 1,2006
May 1, 2006
Aug 1,2006
Nov 1,2006
Feb 1, 2007
May 1, 2007
Aug 1,2007
Nov 1, 2007
Feb 1, 2008
May 1, 2008
Aug 1,2008
Nov 1 2008
Feb 1, 2009
May 1, 2009
Aug 1,2009
Nov 1, 2009
Feb 1,2010
May 1, 2010
Aug 1,2010
Nov 1,2010
Feb 1,2011
Monthly
Monthly
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
"Nov
Nov
Nov
Nov
Nov
Nov
I.G.2. - Submit Effluent Management Site Monitoring Report
G.3. - Submit Recycled Water Treatment and Use Report "
II.B.1 - Begin submitting Monthly Reports for
- Facility Influent Monitoring - Facility Effluent Monitoring
- Operation and Maintenance - Biosolids Disposal
Ongoing
Ongoing
Updated through January 15, 2008
Palmdale Water Reclamation Plant
Page 4 of6
PERFORMANCE TASK
DUE DATE
STATUS
Jan 15,2005
Apr 15, 2005
July 15, 2005
Oct 15, 2005
Feb 1, 2006
May 1, 2006
Aug 1,2006
Nov 1,2006
Feb 1,2007
May 1, 2007·
Aug 1,2007
Nov 1, 2007
Feb 1, 2008
May 1, 2008
Aug 1,2008
Nov 12008
Feb 1, 2009
May 1, 2009
Aug 1,2009
Nov 1, 2009
Feb 1,2010
May1,2010
Aug 1,2010
Nov 1, 2010
Feb 1,2011
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
Submitted
March
March
March
March
March
March
March
Submitted
Submitted
Submitted
II.B.2 - Begin submitting Quarterly reports for
Groundwater Monitoring
Effluent Management Site Monitoring
Vadose Zone Monitoring Effluent Management Site Operations
Chemical Use Monitoring
II.B.3. - Begin submitting Annual Reports for
Operations & Compliance Summary Certified Operator status
Chemical Use Monitoring
Health and Safety Compliance
Federal Biosolids Report
1, 2005
1, 2006
1, 2007
1, 2008
1, 2009
1,2010
1, 2011
Required by Resolution No. R6V·2005·0010
A. - Discharger should initiate cleanup project to reduce nitrate
concentrations in groundwater to less than 10 mg/L as N, as soon
as possible
B. - Discharger should submit an evaluation for aditional options
for remediation of groundwater after the 10 mg/L as N level is
achieved. Focus should be on less than 2 mg/L as N
(background), which will be used to establish the final cleanup
standard
As soon as
possible
In Progress
Apr 13,2006
Submitted
Updated through January 15, 2008
Page 50f6
Palmdale Water Reclamation Plant
DUE DATE
PERFORMANCE TASK
Required by recent letters from the Executive Officer
STATUS
Submit Addendum to Vadose Zone Monitoring Plan (Requested on
6-24-04)
Grant Extension Request for submitting Abatement Report
Addendum (Request on 7-20-04)
Provide an updated Sampling and Analysis Plan for use of Low
Flow Purging (Requested on 8-6-04)
Provide a Work Plan to evaluate effects on unlined oxidation pond
leakage on Qround water (Requested on 8-16-04)
Submit Wind Speed Study Results (Requested on 5-21-04)
ra
PrOVide a Response to comments in the 3 Quarter 2004 CAO
Status Report (Reauested on 9-22-04)
Submit Tree Farm Vadose Zone Monitoring Plan (Requested on
10-26-04)
Submit Delineation Report Addendum (Reauested on 11-10-04)
Submit Work Plan to Investigate or Abandoned Wells (Airport only)
(Requested on 12-6-04)
July 23, 2004
Submitted
Aug 2, 2004
Submitted
Sept 15,2004
Submitted
Sept 24, 2004
Submitted
Oct 1, 2004
Oct 15, 2004
Submitted
Submitted
Dec 6,2004
Submitted
Dec 31,2004
Jan 7, 2005
Submit Work Plan and schedule for unlined ponds (Requested on
12-2-04) .
Submit time schedule to complete an Addendum to the
Containment and Remediation Plan (Requested on December 28,
2004)
Submit an Addendum to the Containment and Remediation Plan
(Committed to by District staff on 1-21-05)
Submit a detailed proposal to delineate the nitrate plume on Air
Force Plant 42.
Submit information regarding over-application of effluent to Section
15 during January to March 2005 in violation of waste discharge
requirements (Requested May 27,2005)
Submit an assessment of whether the District expects to achieve
compliance with a 12-month average total nitrogen effluent limit by
November 1, 2005 for the prior 12 months (Requested May 27,
2005)
Submit a response to Board staff comments on the Annual
Cropping Plan (Requested June 13, 2005)
Indicate if the District made no effort between September 2004 and
March 2005 to gain access to Air Force Plant 42 (requested August
15,2005)
Propose a method fOr using both soil sample and vadose zone
moisture data to establish total nitrogen concentrations in water lost
by deep percolation. (Requested AUQust 10, 2005)
Submit Interim Measures and Monitoring Plan and address
comments (Reauested Auaust 22, 2005)
Submit technical Report describing options if Airport terminates
Section 9 Lease (Requested September 6,2005)
Unauthorized Release of Secondary Treated Sewage (Requested
September 7, 2005)
Containment, Remediation Plan, Supplement No.2, and
Groundwater Monitorina Plan (Requested November 18, 2005)
Order to submit Technical Report in accordance with Section
13267 of the California Water Code (Requested December 5,
Jan 7, 2005
Submitted
Submitted. Airports
documented destruction
of wells in a Nov 06
report
Submitted
Jan 12,2005
Submitted
March 1, 2005
Submitted
Apr 30, 2005
Submitted
June 30, 2005
Submitted
June 30, 2005
Submitted
July 20,2005
Submitted
Sept 15, 2005
Submitted
Oct 21,2005
Submitted
Sept30,2005
Submitted
Oct 14, 2005
Submitted
Oct 1, 2005
Submitted
Dec 15, 2005
Submitted
Jan 10,2006
Submitted
Updated through January 15, 2008
Page 6 of6
PERFORMANCE TASK
2005)
Request corrected tables and text for the 2006 Annual Cropping
Plan (Requested January 5, 2005)
Request field work to begin on installing new groundwater
extraction wells (Requested February 15, 2006)
Request additional vadose zone monitoring stations be installed in
Section 14 (Revised plan accepted March 24, 2006)
Submit information describing the overapplication of effluent to
crops above agronomic rates (Notice of Violation November 7,
2006)
Complete Ammonia Volatilization Study
Complete data objective analysis to justify groundwater monitoring
locations and depths (June 20, 2007 letter that conditionally
approved installation of new monitoring wells).
Palmdale Water Reclamation Plant
DUE DATE
STATUS
March 1, 2006
Submitted
March 15, 2006
Submitted
Dec 15, 2005
Dec 15, 2006
The District submitted the
as-installed stations
report on March 23,2007.
Water Board staff has
prepared a MRP revision
reflecting these stations
Submitted
(none)
July 20, 2007
Submitted
Submitted
EO'S Monthly Report
10116107 - 11115107
Unauthorized Waste Discharges
Discharger/Facility
Location
Basin
Regulated
Facility
Substance
Discharged
'14di,W;:;W;:;:;
:;z;::;&
Chevron Mining Inc.
/ Mountain Pass
Mine & Mill
67750 Bailey
Rd
Mountain Pass,
CA92366
III
[}J
Sodium
Hydroxide
10120/2007
City ofHesperia /
Sanitary Sewer
System
8809 C St.
Hesperia, on a
private
property.
III
IT]
Raw Sewage
City of Hesperia /
Sanitary Sewer
Sultan St west
of Marble Ave
Hesperia
III
IT]
Southern Logistics
Trucking / Interstate
Highway 15
North bound I
15 between
Mountain Pass
and Nipton Rd
Baker
III eEl
Printed 1/14/2008
Discharge
Volume
Spill Date
j
Description of Failure
rim
220 Gallons
Discharge To
Status
~..m
_.~p
Pipeline leaked. Solution flowed down
road ditch.
Ground
Contaminated soil and pipeline to
be excavated or neutralized. Cause '
of leak under investigation.
Pipeline will be replaced with
HDPE pipeline. Issued NOV
10124/2007. final cleanup report
submitted 12/19/2007. Clean up
complete.
10/20/2007 2,000 Gallons
Blockage of grease and debris caused
sewage to overflowed from manhole on
private property to a dry well.
Ground
City cleared blockage and flushed
area with disinfected water. City put
disinfectant down dry well. No
further action reccomended.
Raw Sewage
10129/2007
7,440 Gallons
Vandalism resulted in spill
Natural
drainage
Spill contained in a wash. Blockage
cleared. Debris removed from line.
Line flushed with water and a
disinfectant. No further action
recommended.
Motor Oil in
barrels.
10/31/2007
1,000 Gallons
A Southern Logistics Trucking truck
rolled over and spilled barrels containing
motor oil. Substance spilled to ground
and to a dry natural drainage.
Ground and Cleanup has been completed.
drainage
Cleanup report due by 1/3112008.
Page 10f1
CASE CLOSURE REPORT
November 2007
State of California
Lahontan Regional Water Quality Control Board
Date
Closure
Issued
Site Name
No closures issued
from November 16­
December 15
Notes:
TPHd = Total petroleum hydrocarbons quantified as diesel
TPHg = Total petroleum hydrocarbons quantified as gasoline
TRPH- Total Recoverable Petroleum Hydrocarbons
NS-Not sampled
Ol-UST Closure EO Report January08Jxls
Site Address
Case
Number
Case Type
Remaining
Groundwater
Concentrations
above
Water Quality
Objectives
(in ug/L)
Remaining
Soil
Concentrations
(in mg/Kg)
Distance
from
Site to
Neatest
Receptor
Remedial
Methods
Used